R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 80

MCU 1KB FLASH 16K ROM 32-LQFP

R5F21334CNFP#U0

Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet

Specifications of R5F21334CNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 50 of 589
6.4
Figure 6.5
To use voltage monitor 0 reset, set the LVDAS bit in the OFS register to 0 (voltage monitor 0 reset enabled after
reset).
Figure 6.5 shows an Operating Example of Voltage Monitor 0 Reset.
Voltage Monitor 0 Reset
Internal reset signal
When the internal reset signal is driven low, the pins, CPU, and SFRs are initialized.
When the internal reset signal level changes from low to high,
a program is executed beginning with the address indicated by the reset vector.
Refer to 4. Special Function Registers (SFRs) for the states of the SFRs after reset.
Operating Example of Voltage Monitor 0 Reset
Vdet0
VCC
fOCO-S
1
× 32
6. Voltage Detection Circuit

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